/*
 * Copyright (c) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import {
    expect
} from 'chai';
import 'mocha';
import {
    EcmaDecdyn,
    EcmaIncdyn,
    EcmaReturnundefined,
    EcmaStlettoglobalrecord,
    EcmaTonumber,
    EcmaTryldglobalbyname,
    EcmaTrystglobalbyname,
    Imm,
    LdaiDyn,
    ResultType,
    StaDyn,
    VReg
} from "../../src/irnodes";
import { checkInstructions, compileMainSnippet } from "../utils/base";

describe("PostfixOperationsTest", function () {
    it("let i = 0; i++", function () {
        let insns = compileMainSnippet("let i = 5; i++");
        let i = new VReg();
        let temp = new VReg();
        let expected = [
            new LdaiDyn(new Imm(5)),
            new EcmaStlettoglobalrecord('i'),
            new EcmaTryldglobalbyname('i'),
            new StaDyn(temp),
            new EcmaIncdyn(temp),
            new EcmaTrystglobalbyname('i'),
            new EcmaTonumber(i),
            new EcmaReturnundefined()
        ];
        expect(checkInstructions(insns, expected)).to.be.true;
    });

    it("let i = 0; i--", function () {
        let insns = compileMainSnippet("let i = 5; i--");
        let i = new VReg();
        let temp = new VReg();
        let expected = [
            new LdaiDyn(new Imm(5)),
            new EcmaStlettoglobalrecord('i'),
            new EcmaTryldglobalbyname('i'),
            new StaDyn(temp),
            new EcmaDecdyn(temp),
            new EcmaTrystglobalbyname('i'),
            new EcmaTonumber(i),
            new EcmaReturnundefined()
        ];
        expect(checkInstructions(insns, expected)).to.be.true;
    });
});


